CN202359604U - Energy-saving control system of radiating system of excavator - Google Patents
Energy-saving control system of radiating system of excavator Download PDFInfo
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- CN202359604U CN202359604U CN 201120492247 CN201120492247U CN202359604U CN 202359604 U CN202359604 U CN 202359604U CN 201120492247 CN201120492247 CN 201120492247 CN 201120492247 U CN201120492247 U CN 201120492247U CN 202359604 U CN202359604 U CN 202359604U
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- main pump
- hydraulic oil
- pump
- heat radiation
- pressure sensor
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Abstract
The utility model discloses an energy-saving control system of a radiating system of an excavator, which belongs to the technical field of energy-saving control of radiating systems of engineering machinery. The energy-saving control system comprises a cooling water radiating motor, a hydraulic oil radiating motor, a hydraulic electric proportional valve for a first main pump and a second main pump, an electric proportional valve for a radiating pump, the radiating pump, the first main pump, the second main pump, a transfer case, an engine, a multifunctional electronic monitor, a hydraulic oil temperature sensor, a pressure sensor for the first main pump, a pressure sensor for the second main pump, an accelerator knob, a master controller, a movable arm lift-up pressure sensor, a bucket rod withdrawing pressure sensor, a bucket withdrawing pressure sensor, a hydraulic oil radiator, a hydraulic oil radiating fan, a cooling water radiator and a cooling water radiating fan. The energy-saving control system of the radiating system of the excavator has the advantages that oil consumption is effectively reduced, further, output power of the engine of the excavator matches with power of the main pumps and power of the independent radiating pump optimally, adaptive control is realized, noise is reduced, and operational stability and work efficiency of the system are enhanced.
Description
Technical field
The utility model relates to a kind of energy-saving control system of engineering machinery field cooling system, specifically is a kind of energy-saving control system of excavator cooling system, belongs to the energy-conserving control technology field of engineering machinery cooling system.
Background technology
Present domestic shovel crawler cooling system comprises cooling water cooling system and hydraulic oil cooling system two parts; Usually all adopting motor directly to drive radiator fan dispels the heat; And the rotating speed of radiator fan, power, driving moment are directly related with the rotating speed size of motor; The installation site also is restricted, thereby heat-sinking capability makes subject matters such as the complete machine operating temperature is too high, oil consumption is high, vibration is big, noise height inadequately when causing the operation of low speed heavy load.
In the existing domestic excavator power adaptive energy-conserving control technology, domestic construction machinery product is excavator particularly, the independent fully heat radiation of the rare employing of its cooling system.Consider the different operation operating mode of excavator, under hot environment, need maximum heat-sinking capability during excavator operation, heat radiation power is bigger; And operation only needs the smaller power heat radiation under low temperature environment, does not even need heat radiation, and the heat radiation pump power of this moment needs less.Therefore; To disposing the excavator of independent cooling system; Except that considering that the complete machine engine output satisfies the power of hydraulic system normal operation needs, according under various environment temperature condition of different, the difference of independent cooling system watt level different needs, operation load changes, the power output of adjusting motor is constantly mated with hydraulic pressure main pump power and independent heat radiation pump power; Make it reach best, thereby improve excavator operation efficient and performance greatly, heat dispersion is best; Reduce complete machine oil consumption, noise and vibration, optimize the various performance indications of complete machine.To the domestic still space state of the power adaptive energy-conserving control technology of excavator independence cooling system; So; The power adaptive energy-saving control method of a kind of excavator independence of demand cooling system to hydraulic pressure main pump and engine power coupling energy-conserving control technology, makes the energy-saving effect of excavator and operating efficiency reach best in conjunction with electronic control system; Intelligent degree is high, satisfies market demand.
Summary of the invention
Problem to above-mentioned prior art existence; The utility model provides a kind of energy-saving control system of excavator cooling system; When effectively reducing oil consumption, make the engine output of excavator and the power match of main pump power and independent heat radiation pump reach best, realize Self Adaptive Control; Reduce noise, the stationarity of raising system operation and the purpose of operating efficiency.
To achieve these goals; The utility model is realized through following technical scheme: a kind of energy-saving control system of excavator cooling system; Comprise that cooling water heat radiation motor, hydraulic oil heat radiation motor, hydraulic pressure main pump one, two electric proportional valves, heat radiation pump electric proportional valve, heat radiation pump, main pump one, main pump two, transfer case, motor, multifunction electronic watch-dog, hydraulic oil temperature sensor, main pump one pressure sensor, main pump two pressure sensors, grip, master controller, swing arm play pressure sensor, dipper and receive pressure sensor, scraper bowl and receive pressure sensor, hydraulic oil radiator, hydraulic oil fan, cooling water radiator and the cooling water fan that looses that looses; Be connected through the CAN bus between the Engine ECU controller of master controller and multifunction electronic watch-dog and engine interior; Wherein the CANH port of master controller links to each other with the CANH port of Engine ECU controller and the CANH port of multifunction electronic watch-dog, and the CANL port of master controller links to each other with the CANL port of the CANL port of Engine ECU controller, multifunction electronic watch-dog.
The analog quantity input 1 of master controller, input port 2, input port 3, input port 4, input port 5, input port 6 and input port 7 and power supply and ground wire GND; Corresponding respectively connection grip, hydraulic oil temperature sensor, main pump two pressure sensors, main pump one pressure sensor, swing arm play pressure sensor, dipper receives pressure sensor and scraper bowl is received pressure sensor, by master controller power supply+5V and ground wire GND is provided.
The control output end mouth 2 of master controller is connected with heat radiation pump electricity proportional pressure-reducing valve with main pump one, two electric proportional pressure-reducing valves respectively with output port 1.
Heat radiation pump, main pump one are connected with motor through transfer case with main pump two.
The heat radiation pump is connected with hydraulic oil heat radiation motor with cooling water heat radiation motor through oil circuit.
Cooling water heat radiation motor is connected with diffusing fan of cooling water and the diffusing fan of hydraulic oil respectively with hydraulic oil heat radiation motor.
The diffusing fan of cooling water is connected with hydraulic oil radiator with cooling water radiator respectively with the diffusing fan of hydraulic oil.
The beneficial effect of the utility model is: when effectively reducing oil consumption; Make the engine output and the main pump power of excavator reach best with independent heat radiation pump power coupling; Realize Self Adaptive Control, reduce noise, the stationarity and the operating efficiency of the operation of raising system.
Description of drawings
Fig. 1 is the control system architecture sketch map of the utility model.
Among the figure: 1, cooling water heat radiation motor, 2, hydraulic oil heat radiation motor, 3, hydraulic pressure main pump one, two electric proportional valves, 4, heat radiation pump electric proportional valve, 5, the heat radiation pump; 6, main pump one, 7, main pump two, 8, transfer case, 9, motor, 10, motor EUC controller; 11, multifunction electronic watch-dog, 12, the hydraulic oil temperature sensor, 13, main pump one pressure sensor, 14, main pump two pressure sensors, 15, grip; 16, master controller, 17, swing arm plays pressure sensor, 18, dipper receives pressure sensor, 19, scraper bowl receives pressure sensor; 20, hydraulic oil radiator, 21, the hydraulic oil fan that looses, 22, cooling water radiator, 23, the cooling water fan that looses.
The specific embodiment
To combine accompanying drawing that the utility model is further specified below.
As shown in Figure 1; A kind of energy-saving control system of excavator cooling system; Comprise that cooling water heat radiation motor 1, hydraulic oil heat radiation motor 2, hydraulic pressure main pump one, two electric proportional valves 3, heat radiation pump electric proportional valve 4, heat radiation pump 5, main pump 1, main pump 27, transfer case 8, motor 9, multifunction electronic watch-dog 11, hydraulic oil temperature sensor 12, main pump one pressure sensor 13, main pump two pressure sensors 14, grip 15, master controller 16, swing arm play pressure sensor 17, dipper and receive pressure sensor 18, scraper bowl and receive pressure sensor 19, hydraulic oil radiator 20, hydraulic oil fan 21, cooling water radiator 22 and the cooling water fan 23 that looses that looses; Be connected through the CAN bus between the inner Engine ECU controller 10 of master controller 16 and multifunction electronic watch-dog 11 and motor 9; Wherein the CANH port of master controller 16 links to each other with the CANH port of Engine ECU controller 10 and the CANH port of multifunction electronic watch-dog 11, and the CANL port of master controller 16 links to each other with the CANL port of the CANL port of Engine ECU controller 10, multifunction electronic watch-dog 11.
The analog quantity input 1 of master controller 16, input port 2, input port 3, input port 4, input port 5, input port 6 and input port 7 and power supply and ground wire GND; Correspondingly respectively connect that grip 15, hydraulic oil temperature sensor 12, main pump two pressure sensors 14, main pump one pressure sensor 13, swing arm play pressure sensor 17, dipper receives pressure sensor 18 and scraper bowl is received pressure sensor 19, by master controller 16 power supply+5V and ground wire GND is provided.
The control output end mouth 2 of master controller 16 is connected with heat radiation pump electricity proportional pressure-reducing valve 4 with main pump one, two electric proportional pressure-reducing valves 3 respectively with output port 1.
Cooling water heat radiation motor 1 is connected with diffusing fan 23 of cooling water and the diffusing fan 21 of hydraulic oil respectively with hydraulic oil heat radiation motor 2.
The diffusing fan 23 of cooling water is connected with hydraulic oil radiator 20 with cooling water radiator 22 respectively with the diffusing fan 21 of hydraulic oil.
The course of work of the utility model is: after motor 9 starts, select power mode through multifunction electronic watch-dog 11, master controller 16 reads in this signal through the CAN bus; Set the maximum speed value that motor under each power mode 9 is set when unloaded; Operation grip 15, the rotary speed working position of setting motor 9, master controller 16 input ports 1 collect this input signal; Through computing, master controller 16 through and Engine ECU controller 10 between the CAN EBI, according to the J1939 communications protocol, send the corresponding accelerator open degree percentages of grip 15, thus the rotating speed of control motor 9; Master controller 16 is through output port 2 simultaneously; The minimum unloaded idling of corresponding grip 15 is to the highest unloaded idle position; Preestablish main pump 1 and main pump 27 current values, the swash plate angle of adjustment main pump 1 and main pump 27, the discharge capacity of change main pump 1 and main pump 27; Through the output port 1 of master controller 16, the pulse-width modulation PWM signal code value of output duty cycle is 0mA, and the swash plate angle of adjustment heat radiation pump 5 makes its discharge capacity reach maximum, and the power of the pump 5 that promptly dispels the heat is maximum, and this purpose is to play the safeguard protection effect; Drive each pump work through motor 9; Main pump 1 is realized the various operation functions of hydraulic system with main pump 27 through each oil circuit; The pump 5 that dispels the heat drives the diffusing fan 23 of cooling water, the diffusing fan 21 of hydraulic oil respectively through oil circuit driving cooling water heat radiation motor 1 and hydraulic oil heat radiation motor 2; Realize the heat sinking function of hydraulic oil radiator 20 and cooling water radiator 22, thereby realize independent heat radiation.
Excavator begins operation, and master controller 16 reads in coolant water temperature, the intake air temperature of motor 9 through the CAN bus, reads in hydraulic oil temperature through input port 2, and hydraulic oil temperature is gathered through hydraulic oil temperature sensor 12; After carrying out the logic judgement; Relatively what judge master controller 16 according to heat radiation power required under the various radiating conditions; Promptly the dispel the heat dump power compared of peak power of power with heat radiation pump 5 of pump 5 actual needs; Then on the power basis of main pump that is provided with in advance 1 and main pump 27, the watt level of adjustment main pump 1 and main pump 27 improves the complete machine operating efficiency;
In sum, control the assignment of traffic of each pump through master controller 16, and effectively utilize the power of motor 9, make the pump power summation that is assigned to main pump 1, main pump 27 and heat radiation pump 5 be no more than the power output of motor 9.
Make full use of the power output of motor 9, the power of independent cooling system and excavator operation system is controlled to merge consider as a whole, at first heat balance system cooling effectiveness height can make motor 9 be operated in temperature constant state, effectively reduces the wearing and tearing of motor 9; Secondly low, environment protecting of noise and good environmental adaptability can improve the reliability of excavator, increase the service life; And improved the operating efficiency of complete machine simultaneously, make that oil consumption significantly reduces, energy-saving effect is better.
Claims (7)
1. the energy-saving control system of an excavator cooling system; Comprise that cooling water heat radiation motor (1), hydraulic oil heat radiation motor (2), hydraulic pressure main pump one, two electric proportional valves (3), heat radiation pump electric proportional valve (4), heat radiation pump (5), main pump one (6), main pump two (7), transfer case (8), motor (9), multifunction electronic watch-dog (11), hydraulic oil temperature sensor (12), main pump one pressure sensor (13), main pump two pressure sensors (14), grip (15), master controller (16), swing arm play pressure sensor (17), dipper and receive pressure sensor (18), scraper bowl and receive pressure sensor (19), hydraulic oil radiator (20), the hydraulic oil diffusing fan (23) of fan (21), cooling water radiator (22) and cooling water that looses; It is characterized in that; Be connected through the CAN bus between master controller (16) and multifunction electronic watch-dog (11) and the Engine ECU controller (10); Wherein the CANH port of master controller (16) links to each other with the CANH port of Engine ECU controller (10) and the CANH port of multifunction electronic watch-dog (11), and the CANL port of master controller (16) links to each other with the CANL port of Engine ECU controller (10), the CANL port of multifunction electronic watch-dog (11).
2. the energy-saving control system of a kind of excavator cooling system according to claim 1; It is characterized in that; The analog quantity input 1 of master controller (16), input port 2, input port 3, input port 4, input port 5, input port 6 and input port 7 and power supply and ground wire GND; Corresponding respectively connection grip (15), hydraulic oil temperature sensor (12), main pump two pressure sensors (14), main pump one pressure sensor (13), swing arm play pressure sensor (17), dipper receives pressure sensor (18) and scraper bowl is received pressure sensor (19), by master controller (16) power supply+5V and ground wire GND is provided.
3. the energy-saving control system of a kind of excavator cooling system according to claim 1 and 2; It is characterized in that the control output end mouth 2 of master controller (16) is connected with heat radiation pump electricity proportional pressure-reducing valve (4) with main pump one, two electric proportional pressure-reducing valves (3) respectively with output port 1.
4. the energy-saving control system of a kind of excavator cooling system according to claim 1 is characterized in that, heat radiation pump (5), main pump one (6) are connected with motor (9) through transfer case (8) with main pump two (7).
5. according to the energy-saving control system of claim 1 or 4 described a kind of excavator cooling systems, it is characterized in that heat radiation pump (5) is connected with hydraulic oil heat radiation motor (2) with cooling water heat radiation motor (1) through oil circuit.
6. the energy-saving control system of a kind of excavator cooling system according to claim 5 is characterized in that, cooling water heat radiation motor (1) is connected with diffusing fan (23) of cooling water and the diffusing fan (21) of hydraulic oil respectively with hydraulic oil heat radiation motor (2).
7. the energy-saving control system of a kind of excavator cooling system according to claim 6 is characterized in that, cooling water fan (23) and the hydraulic oil fan (21) that looses that looses is connected with hydraulic oil radiator (20) with cooling water radiator (22) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120492247 CN202359604U (en) | 2011-12-01 | 2011-12-01 | Energy-saving control system of radiating system of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120492247 CN202359604U (en) | 2011-12-01 | 2011-12-01 | Energy-saving control system of radiating system of excavator |
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| CN202359604U true CN202359604U (en) | 2012-08-01 |
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| CN 201120492247 Expired - Lifetime CN202359604U (en) | 2011-12-01 | 2011-12-01 | Energy-saving control system of radiating system of excavator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756636A (en) * | 2012-08-02 | 2012-10-31 | 徐工集团工程机械股份有限公司 | Hybrid driving device for concrete mixer and concrete mixer |
| CN102901649A (en) * | 2012-09-29 | 2013-01-30 | 徐州徐工挖掘机械有限公司 | Device for testing heat balance performance and method for assessing heat dispersion performance of hydraulic excavator |
| CN103628517A (en) * | 2013-11-15 | 2014-03-12 | 中外合资沃得重工（中国）有限公司 | Excavator safety control system and method |
| CN111173068A (en) * | 2019-12-31 | 2020-05-19 | 中联重科股份有限公司 | Temperature self-adaptive control method and system for engineering machinery and engineering machinery |
| CN114837790A (en) * | 2022-05-13 | 2022-08-02 | 徐州徐工基础工程机械有限公司 | Heat balance management system and management strategy for explosion-proof diesel engine |
-
2011
- 2011-12-01 CN CN 201120492247 patent/CN202359604U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756636A (en) * | 2012-08-02 | 2012-10-31 | 徐工集团工程机械股份有限公司 | Hybrid driving device for concrete mixer and concrete mixer |
| CN102756636B (en) * | 2012-08-02 | 2015-06-03 | 徐工集团工程机械股份有限公司 | Hybrid driving device for concrete mixer and concrete mixer |
| CN102901649A (en) * | 2012-09-29 | 2013-01-30 | 徐州徐工挖掘机械有限公司 | Device for testing heat balance performance and method for assessing heat dispersion performance of hydraulic excavator |
| CN102901649B (en) * | 2012-09-29 | 2015-05-13 | 徐州徐工挖掘机械有限公司 | Device for testing heat balance performance and method for assessing heat dispersion performance of hydraulic excavator |
| CN103628517A (en) * | 2013-11-15 | 2014-03-12 | 中外合资沃得重工（中国）有限公司 | Excavator safety control system and method |
| CN103628517B (en) * | 2013-11-15 | 2016-03-30 | 中外合资沃得重工（中国）有限公司 | Excavator safety control system and method |
| CN111173068A (en) * | 2019-12-31 | 2020-05-19 | 中联重科股份有限公司 | Temperature self-adaptive control method and system for engineering machinery and engineering machinery |
| CN111173068B (en) * | 2019-12-31 | 2021-03-16 | 中联重科股份有限公司 | Temperature self-adaptive control method and system for engineering machinery and engineering machinery |
| CN114837790A (en) * | 2022-05-13 | 2022-08-02 | 徐州徐工基础工程机械有限公司 | Heat balance management system and management strategy for explosion-proof diesel engine |
| CN114837790B (en) * | 2022-05-13 | 2024-03-12 | 徐州徐工基础工程机械有限公司 | Explosion-proof diesel engine heat balance management system and management strategy |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |
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| CX01 | Expiry of patent term |